KIT-SEAL 1288614 - Caterpillar

Note: If this fault occurs only under load, refer to Troubleshooting, "Acceleration Is Poor or Throttle Response Is Poor".Probable Causes
Active codes and logged codes
Parameters
Accessory and/or parasitic loads
Flash file
Air inlet and exhaust system
Turbocharger
Supercharger
Fuel system
Fuel injectorsRecommended Actions
Note: The procedures have been listed in order of probability. Complete the procedures in the order of the listed test steps.
Table 1
Troubleshooting Test Steps Values Results
1. Check for Active Codes and Logged Codes
A. Establish communication between Cat® Electronic Technician (ET) and the Electronic Control Module (ECM).
B. Monitor the diagnostic codes on Cat ET. Certain diagnostic codes and/or event codes may cause poor performance.
Note: Wait at least 30 seconds in order for diagnostic codes to become active.
Codes
Result: A code is active or logged.
Repair: Troubleshoot any codes before continuing with this procedure.
Result: A code is not active or logged.
Proceed to Test Step 2.
2. Check for Incorrect Parameters
A. Use Cat ET to verify that the correct engine parameters are being used. Refer to Troubleshooting, "Configuration Parameters" for additional information.
B. Verify that all of the parameters for parasitic loads are correct.
Parameters
Result: The parameters are configured correctly.
Proceed to Test Step 3.
Result: The parameters are not configured correctly.
Repair: Correctly configure the parameters.
If the problem is not resolved, proceed to Test Step 3.
3. Inspect Accessories and/or Parasitic Loads
A. Check all accessory equipment for problems that may create excessive load on the engine.
B. Check for any excess parasitic load on the engine.
Parasitic Loads
Result: There is not an excessive load on the engine.
Proceed to Test Step 4.
Result: There is an excessive load on the engine.
Repair: Diagnose the problem and then repair the problem.
If the problem is not resolved, proceed to Test Step 4.
4. Check for an Incorrect Flash File
A. Verify that the latest flash file is installed in the Electronic Control Module (ECM). Refer to Troubleshooting, "ECM Software - Install" for the proper procedure.
Flash File
Result: The latest flash file is installed in the ECM.
Proceed to Test Step 5.
Result: The latest flash file is not installed in the ECM.
Repair: Install the latest flash file.
If the problem is not resolved, proceed to Test Step 5.
5. Restriction in the Air Inlet and Exhaust System
A. Check the air filter restriction indicator, if equipped. Clean plugged air filters or replace plugged air filters. Refer to the Operation and Maintenance Manual.
B. Check the air inlet and exhaust system for restrictions and/or leaks.
Restrictions
Result: There are restrictions in the air inlet or exhaust system.
Repair: Make the necessary repairs.
Result: There are no restrictions in the air inlet or exhaust system.
Proceed to Test Step 6.
6. Proper Operation of the Supercharger and/or the Turbocharger
A. Inspect the supercharger belt and pulley.
B. Inspect the supercharger clutch operation.
Supercharger and Turbocharger
Result: The supercharger and turbocharger are operating properly.
Proceed to Test Step 7.
Result: The supercharger is not operating properly.
Repair: Repair or replace the supercharger.
Result: The turbocharger is not operating properly.
Repair: Repair or replace the turbocharger.
If the problem is not resolved, proceed to Test Step 7.
7. Inspect the Fuel System
A. Visually check the fuel level in the fuel tank. Do not rely on the fuel gauge only.
B. Ensure that the